Mental Subtraction Worksheet for Class 2 and 3
How to do it in your head (Tens first): Keep the first number as it is. Take away the tens of the second number. Take away the ones (bridge back through a ten if you need to).
NameDateTime takenScore ___ / 40
- 1.89 − 28 =
- 2.80 − 49 =
- 3.72 − 21 =
- 4.75 − 48 =
- 5.94 − 34 =
- 6.64 − 54 =
- 7.56 − 15 =
- 8.64 − 46 =
- 9.70 − 55 =
- 10.83 − 66 =
- 11.97 − 22 =
- 12.54 − 37 =
- 13.78 − 33 =
- 14.52 − 37 =
- 15.61 − 42 =
- 16.99 − 84 =
- 17.95 − 79 =
- 18.90 − 56 =
- 19.92 − 22 =
- 20.68 − 34 =
- 21.65 − 28 =
- 22.66 − 21 =
- 23.99 − 86 =
- 24.76 − 26 =
- 25.96 − 24 =
- 26.81 − 34 =
- 27.55 − 23 =
- 28.98 − 24 =
- 29.85 − 51 =
- 30.92 − 36 =
- 31.67 − 39 =
- 32.81 − 48 =
- 33.74 − 34 =
- 34.71 − 31 =
- 35.57 − 27 =
- 36.73 − 32 =
- 37.57 − 17 =
- 38.55 − 39 =
- 39.82 − 21 =
- 40.98 − 21 =
Answer key
- 61
- 31
- 51
- 27
- 60
- 10
- 41
- 18
- 15
- 17
- 75
- 17
- 45
- 15
- 19
- 15
- 16
- 34
- 70
- 34
- 37
- 45
- 13
- 50
- 72
- 47
- 32
- 74
- 34
- 56
- 28
- 33
- 40
- 40
- 30
- 41
- 40
- 16
- 61
- 77
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths